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Description:
- This DIY product needs to be soldered and assembled by yourself.
- The scale of the circuit can produce different sounds, while different keys correspond to different scales.
- The play of the electronic organ is to use the fingers to press different keys to produce different scales.
- The principle is that the circuit IC555 is connected to an oscillator, whose oscillation frequency is determined by the resistance of the circuit (R1- R10), so different sounds will be generated due to different keys.
Parameters: 1>. Power supply voltage: DC3-12V 2>. PCB size: length 13.5CM* width 2.2CM Features: 1>. It is simple and practical, and the power consumption is small, and the circuit is driven by an integrated circuit. The parts are few, and the line is simple and clear. 2>. In the process of debugging, the understanding of the principle of the circuit will be deepened. Component List:
NO. | Component Name | PCB Marker | Parameter | QTY |
IC Socket | DIP-8 | 2 | U1 | 1 |
KF301-2P Connector | 4 | C4 | 1 | |
Capacitor | 0.1uf 104 | 6 | R1,R2 | 2 |
Metal Film Resistor | 2K | 8 | R5 | 1 |
Cable | 5cm | 10 | S1-S8 | 8 |
Button Cap | 12 | 1 | ||
Speaker | 8ohm 0.25W 5cm | 14 | 1 |
Diagram: Finished Product Picture: I. Tested by ICStation's Outstanding Partner Workshop MasterOK electronics Repair: